all of a sudden

/ɑl əv ə ˈsʌdɪn/
/ɔl əv ə ˈsʌdɪn/
IPA guide

Definitions of all of a sudden
  1. adverb
    happening unexpectedly
    synonyms: of a sudden, suddenly
  2. adverb
    without warning
    synonyms: all at once
Pronunciation
US
/ɑl əv ə ˈsʌdɪn/
UK
/ɔl əv ə ˈsʌdɪn/
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